Merge pull request #8570 from AlisterH/ticket20665

elpaso · web-flow · commit f93af56fd67b · 2018-11-29T13:19:59.000+01:00
Expression calculator: clarify documentation for x_at() and y_at() (addresses #20665)
diff --git a/resources/function_help/json/$x_at b/resources/function_help/json/$x_at
@@ -2,7 +2,7 @@
   "name": "$x_at",
   "type": "function",
   "description": "Retrieves a x coordinate of the current feature's geometry.",
-  "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index)"}],
+  "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index, starting at -1)"}],
   "examples": [ { "expression":"$x_at(1)", "returns":"5"}
   ]
 }
diff --git a/resources/function_help/json/$y_at b/resources/function_help/json/$y_at
@@ -2,7 +2,7 @@
   "name": "$y_at",
   "type": "function",
   "description": "Retrieves a y coordinate of the current feature's geometry.",
-  "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index)"}],
+  "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index, starting at -1)"}],
   "examples": [ { "expression":"$y_at(1)", "returns":"2"}
   ]
 }

Original file line number	Diff line number	Diff line change
`@@ -2,7 +2,7 @@`
`2`	`2`	`"name": "$x_at",`
`3`	`3`	`"type": "function",`
`4`	`4`	`"description": "Retrieves a x coordinate of the current feature's geometry.",`
`5`		`- "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index)"}],`
	`5`	`+ "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index, starting at -1)"}],`
`6`	`6`	`"examples": [ { "expression":"$x_at(1)", "returns":"5"}`
`7`	`7`	`]`
`8`	`8`	`}`
Original file line number	Diff line number	Diff line change
`@@ -2,7 +2,7 @@`
`2`	`2`	`"name": "$y_at",`
`3`	`3`	`"type": "function",`
`4`	`4`	`"description": "Retrieves a y coordinate of the current feature's geometry.",`
`5`		`- "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index)"}],`
	`5`	`+ "arguments": [ {"arg":"i","description":"index of point of a line (indices start at 0; negative values apply from the last index, starting at -1)"}],`
`6`	`6`	`"examples": [ { "expression":"$y_at(1)", "returns":"2"}`
`7`	`7`	`]`
`8`	`8`	`}`